The automatic weather stations at the Australian stations (Casey, Davis, Macquarie Island, and Mawson) were installed by the Bureau of Meteorology. They collect information on the following (in the following units):
date Timehh:mm wind speed knots wind direction degrees air temperature degrees celsius relative humidity percent air pressurehPa
Files ending in UT means date/time is in Universal Time. Any other data files if present are in local time. Data are collected from the aws in 10 minute intervals and are grouped monthly and then yearly within the file structure.